Dr Nishant Sanghvi - Best GI Oncology Cancer Surgeon Gastrointestinal Cancer is for the collectively a gathering of tumors influencing organs like oesophagus,stomach, small and large intestine, rectum, liver, gall bladder, spleen and pancreas. The growth can form a mass or ulcer inside the concerned organ or it can spread diffusely all through the whole organ. GI ONCOLOGY TREATMENT... https://zanishcancerhospital.com